/Engine/Source/Runtime/Online/BuildPatchServices/Public/Interfaces/IBuildPatchServicesModule.h
Gets an array of prerequisite identifiers that are registered as installed on this system.
a set containing all installed prerequisite identifiers.
[TSet](API\Runtime\Core\Containers\TSet)< [FString](API\Runtime\Core\Containers\FString) > GetInstalledPrereqIds() const